As per the RACGP:

https://www.racgp.org.au/clinical-resources/clinical-guidelines/key-racgp-guidelines/view-all-racgp-guidelines/preventive-activities-in-general-practice/reproductive-and-womens-health/first-antenatal-visit

https://www.racgp.org.au/clinical-resources/clinical-guidelines/key-racgp-guidelines/national-guide/chapter-2-antenatal-care